Home / 3,606.98-5,409.65-1,657.31

Finding the Fourth Proportional to 3,606.98, 5,409.65 and 1,657.31

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Solution

The fourth proportional to 3,606.98, 5,409.65 and 1,657.31 is: 2,485.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,606.98 : 5,409.65 = 1,657.31 : x
  2. Step 2: Convert to fraction form
    3,606.98/5,409.65 = 1,657.31/x
  3. Step 3: Cross multiply
    3,606.98x = 5,409.65 × 1,657.31
  4. Step 4: Simplify right side
    3,606.98x = 8,965,431.71
  5. Step 5: Solve for x
    x = 8,965,431.71/3,606.98
  6. Step 6: Final answer
    x = 2,485.58

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.